author = { Baldwin, John R. AND Brown, W. Mark AND Rigby, David L. AND Beckstead, Desmond },

title = { Urban Economies and Productivity },

publisher = {Elsevier BV},

isbn = {1556-5068},

keywords = { Pharmacology (medical) },

year = {2007},

url = { http://slubdd.de/katalog?TN_libero_mab2 }